OMOP/Documentation/CommonDataModel_Wiki_Files/StandardizedMetadata/METADATA.md

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The METADATA table contains metadata information about a dataset that has been transformed to the OMOP Common Data Model.

Field Required Type Description
metadata_concept_id Yes integer A foreign key that refers to a Standard Metadata Concept identifier in the Standardized Vocabularies.
metadata_type_concept_id Yes integer A foreign key that refers to a Standard Type Concept identifier in the Standardized Vocabularies.
name Yes varchar(250) The name of the Concept stored in metadata_concept_id or a description of the data being stored.
value_as_string No nvarchar The metadata value stored as a string.
value_as_concept_id No integer A foreign key to a metadata value stored as a Concept ID.
metadata date No date The date associated with the metadata
metadata_datetime No datetime The date and time associated with the metadata

Conventions

No. Convention Description
1 One record in the Metadata table is pre-populated in the DDL indicating the CDM version of the database.